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Perf: Improve fast find for pithy print

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This commit is contained in:
winlin 2021-02-24 20:56:17 +08:00
parent 3a7c742f07
commit adfca6069c
2 changed files with 10 additions and 2 deletions
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11
trunk/src/app/srs_app_pithy_print.cpp
View file

@ -171,6 +171,7 @@ static SrsStageManager* _srs_stages = new SrsStageManager();
SrsPithyPrint::SrsPithyPrint(int _stage_id) SrsPithyPrint::SrsPithyPrint(int _stage_id)
{ {
stage_id = _stage_id; stage_id = _stage_id;
cache_ = NULL;
client_id = enter_stage(); client_id = enter_stage();
previous_tick = srs_get_system_time(); previous_tick = srs_get_system_time();
_age = 0; _age = 0;
@ -308,7 +309,10 @@ void SrsPithyPrint::leave_stage()
void SrsPithyPrint::elapse() void SrsPithyPrint::elapse()
{ {
SrsStageInfo* stage = _srs_stages->fetch_or_create(stage_id); SrsStageInfo* stage = cache_;
if (!stage) {
stage = cache_ = _srs_stages->fetch_or_create(stage_id);
}
srs_assert(stage != NULL); srs_assert(stage != NULL);
srs_utime_t diff = srs_get_system_time() - previous_tick; srs_utime_t diff = srs_get_system_time() - previous_tick;
@ -321,7 +325,10 @@ void SrsPithyPrint::elapse()
bool SrsPithyPrint::can_print() bool SrsPithyPrint::can_print()
{ {
SrsStageInfo* stage = _srs_stages->fetch_or_create(stage_id); SrsStageInfo* stage = cache_;
if (!stage) {
stage = cache_ = _srs_stages->fetch_or_create(stage_id);
}
srs_assert(stage != NULL); srs_assert(stage != NULL);
return stage->can_print(); return stage->can_print();

1
trunk/src/app/srs_app_pithy_print.hpp
View file

@ -111,6 +111,7 @@ class SrsPithyPrint
{ {
private: private:
int client_id; int client_id;
SrsStageInfo* cache_;
int stage_id; int stage_id;
srs_utime_t _age; srs_utime_t _age;
srs_utime_t previous_tick; srs_utime_t previous_tick;